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(共17张PPT)
Unit 3 Fit for life
Grammar and Usage
Present perfect continuous tense(现在完成进行时)
Go through the grammar notes on page 99.
BY YUSHEN
现在完成时
现在进行时
现在完成进行时
+
=
现在完成进行时的构成
BY YUSHEN
be+doing
have/has +been+ doing
have/has+done
+
=
Now
Past
Future
表示动作从过去某时开始，一直延续到现在，将来还可能延续下去，强调动作的延续性。
I have been waiting for an hour, but she hasn't come yet.
我都等了一个小时了,但是她还没来。
现在完成进行时的用法
learn
8 years ago
future
now
learn
learn
I have been learning English since I was 8 years old and I still love it.
Tip 1: 过去动作持续到现在，还将持续下去。
与现在完成进行时连用的时间状语: all day/month; this month/week/year;
these days; recently/lately; since+时间点/从句; for+时间段等。
Tip 2:表示动作从过去到现在的时间内重复发生但有可能间断。
1. It has been raining these days.
2. We have been practicing Kung Fu recently.
Why are you late again I have been waiting for you for two hours.
Tip 3:表示某种强烈的感彩,如：赞赏、批评、愤怒等。
1. You have been making progress and I am proud of you!
Exploring the rules
After I lost my right hand in a car accident two years ago, I began to withdraw into myself, believing I would never be able to lead a normal life again. I was equipped with an artificial hand, but it did not feel like part of me. Even simple things like getting dressed were unbelievably difficult. Three months ago, however, all that changed when I was given the chance to test a new robotic hand.
两年前，我在一场车祸中失去了右手，此后我开始封闭自我，认为自己再也无法过正常的生活了。我装了一只假手，但它感觉不像是我的一部分。即使是像穿衣服这样简单的事情也难以置信地困难。然而，三个月前，当我有机会测试一只新的机械手时，一切都改变了。
Scientists have been making great progress in robotic technology in recent years, and their work on robotic limbs has really changed my life. With my new hand, I can move my individual fingers and hold on to small things like pens and pencils. More amazingly, my robotic hand is capable of feeling varying degrees of pressure, just like a real hand. In addition, it looks very lifelike with special rubber used on the outside.
近年来，科学家们在机器人技术方面取得了很大的进步，他们在机械肢体方面的工作确实改变了我的生活。用我的新手，我可以移动我的手指，握住像钢笔和铅笔这样的小东西。更神奇的是，我的机械手能够感受到不同程度的压力，就像一只真正的手一样。此外，它的外表使用了特殊的橡胶，看起来非常逼真。
Over the past three months I have been testing out the limits of what I can do with my new hand, and it constantly surprises me. I have rediscovered hobbies I had enjoyed before my accident. For example, I have been cooking for my family again since I got my new hand. Not only can I do more, but I have also become more confident and outgoing. I’m so grateful for all the new possibilities my robotic hand has opened up.
在过去的三个月里，我一直在测试我用这只新手所能做的事情的极限，它不断地给我带来惊喜。我重新发现了事故前喜欢的爱好。例如，自从我有了新的手，我又开始为我的家人做饭了。我不仅可以做得更多，而且我也变得更加自信和外向。我很感激我的机械手带来的所有新可能性。
1. I __________________ (reflect) on the article I read about ancient medicine all day.
2. I _________________ (wait) for two hours to see the doctor but it is still not my turn yet.
3. My mother ________________ (write) a report on the new treatment all morning.
4. The company ________________ (make) herbal medicines for more than 100 years.
5. Scientists ________________ (do) research on the disease since it was first discovered in the early 20th century.
have been reflecting
have been waiting
has been writing
has been making
have been doing
Applying the rules
P35 B1
It (1) is being estimated/ has been estimated that over 30 million people worldwide have lost arms or legs, and many of them fail to get the help that they need. For some time, they (2) are hoping for/ have been hoping for better-quality artificial limbs. Fortunately, one exciting new advance could help these physically disabled people lead a normal life again: robotic limbs.
P35 B2
Over the last few years, scientists (3) have been developing/ will be developing new kinds of artificial limbs to help people overcome their disabilities. Bobotic limbs can do much more than conventional artificial limbs. Some of the earliest artificial limbs were made of wood and leather, and until recently, artificial limbs (4) have only served/ have only been serving basic functions. With the advancement in robotic technology, articficial limbs can now perform much more complex tasks and come closer to real human limbs. Not only can they make a much wider range of movements, but they can also be controlled directly by the brain and feed sensory information back into it.
David Jones is one of a team of scientists devoted to making even better robotic limbs. “We (5) have done/ have been doing everything we can to advance this technology and we will not take out a patent on it,” said David. “Hopefully, more and more people in need of robotic limbs will be equipped with them and enjoy a higher quality of life.”
P70 C
Fill in the blanks with the correct forms of the verbs in the brackets.
Ⅰ_____________________(read) books about positive thinking
recently and I will write about it in my article.
2. —Will you apply to a university in Beijing
—I haven't decided yet. I______________________________
(think) about it, though.
3. Mick took some music lessons during the holidays and now he
____________(learn) to play the guitar.
4. I think this is the best short story you _______________(write).
have been reading
have been thinking/am thinking
is learning
have written
Exercises
5. —Has Alice found a new job yet
—Not yet, but she ______________________(take) job interviews
for weeks.
6. I'm confident that our team will win the competition because we
___________________(work) hard for almost a year.
7. It_________________ (rain) heavily all day. I wish it would stop
soon.
8. —Sorry I'm late._______you _______________(wait) long
—No, I've just arrived.
has been taking
have been working
has been raining
Have
been waiting
1. He _____________(play)basketaball with his friends at 3:00 p.m. yesterday.
2. He said that he ___________(see) you before.
3. This question ____________________(discuss) at this moment yesterday.
4. He ___________(mount) the platform and delivered his speech.
5. I ________________(write) the book since yesterday.
6. By the time he got to the school, the classroom _______________ (clean).
was playing
had seen
was being discussed
mounted
have been writing
had been cleaned
Consolidation exercises
Thank you!

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